17921988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71119}}^1$

素因数の和:71136

約数の個数: 36

約数和(自身を含む): 51775360

約数和(自身を除く): 33853372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 71119, 142238, 213357, 284476, 426714, 497833, 640071, 853428, 995666, 1280142, 1493499, 1991332, 2560284, 2986998, 4480497, 5973996, 8960994, 17921988]

約数ペア:

[(1, 17921988), (2, 8960994), (3, 5973996), (4, 4480497), (6, 2986998), (7, 2560284), (9, 1991332), (12, 1493499), (14, 1280142), (18, 995666), (21, 853428), (28, 640071), (36, 497833), (42, 426714), (63, 284476), (84, 213357), (126, 142238), (252, 71119)]